Slim Expandable Laptop Backpack 15.6 Inch Business Backpack with USB Port, Waterproof Anti-Theft Travel Backpack Daypack Bookbag for Men and Women

Material and Features: Made of premium synthetic leather and polyester cloth are waterproof and durable. The travel laptop backpack owns a variable capacity for more flexible to load. Two modes for daily commute and business trip and easy to transform between both. the slim mode for going to home and school or office by cycling, the expanded mode of the large capacity to meet your camping, day trip and overnight trip. Protection & Safe: The business backpack owns many independent compartments. The laptop compartment with sponge around to protect your laptop against drops and spills, like the car airbag. A hidden anti theft compartment on the back protect your valuable items from thieves. Perfect for business and school as a travel gift for men and women. Practical & Elegant: TSA approved designed and size for airplane travel, 90-180 degrees wide open making you quickly through the airport security. External USB port with set-in charging cable offers for your cellphone and other